The Romanian version of the word speleology is one "le" shorter than
usual.
The reason is simple and somewhat funny.
The founder of Romanian speology,
Emil Racovita,
introduced the new terms for this science into the Romanian language.
As he primarily was interested in the biology of caves, the name biospeleology
was his most used word and much too long, he thought.
So he decided to call it biospeology, which definitely sounds better.
Since then it is speology in Romanian!